import Property = require('./property');
/**
 * Class representing a relationship between model elements
 * @extends Property
 * @see See  {@link Property}
 *
 * @class
 * @memberof module:concerto-core
 */
declare class RelationshipDeclaration extends Property {
    /**
     * Create a Relationship.
     * @param {ClassDeclaration} parent - The owner of this property
     * @param {Object} ast - The AST created by the parser
     * @throws {IllegalModelException}
     */
    constructor(parent: any, ast: any);
    /**
     * Validate the property
     * @param {ClassDeclaration} classDecl the class declaration of the property
     * @throws {IllegalModelException}
     * @protected
     */
    validate(classDecl: any): void;
    /**
     * Returns a string representation of this property
     * @return {String} the string version of the property.
     */
    toString(): string;
    /**
     * Returns true if this class is the definition of a relationship.
     *
     * @return {boolean} true if the class is a relationship
     */
    isRelationship(): boolean;
}
export = RelationshipDeclaration;